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1. Find the range and standard deviation of the set of data
1325, 25, 225, 75, 315
2. An assembly-line machine turns out washers with the following thicknesses (in millimeters). Find the mean and standard deviation of the thickness.
1.52, 1.76, 1.25, 2.09, 1.32, 1.29, 1.98, 1.49
2.03, 1.52, 1.65, 1.36, 1.48, 1.56, 1.93, 1.76
3. Find the mean and standard deviation for the individualized instruction scores.
Scores
Individualized Instruction
50-59
2
60-69
4
70-79
6
80-89
11
90-99
8
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suppose on your twenty-fifth birthday you opened a retirement account with the howard fund - a fund paying investors 8
What percentage of the students scored below student in Verbal Skills - What percentage of the students scored above student in Mathematics?
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when determining the sample size needed to achieve a particular error estimate you need to know sigma. what are two
A local tire dealer wants to predict the number of tires sold each month. He believes that the number of tires sold is a linear function of the amount of money invested in advertising.
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